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1A) the equilibrium constant of reaction

Sr(s)+Mg24(ac)---><--- Sr24(ac)+Mg(s)

is 2.69X1012 at 25º C calculate the Eº of the cell formed by the half cells Sr / Sr2 + and Mg / Mg2 +


R= 8.314 J/k -mol
F= 96500 J/V- mol

1B)E cell AGⓇ =-nFEcell Ecell = F Ink AG° = -RTIK AG° K 1.274V 0.763V 0.137 0.367 V

Calculate the standard emf of a cell using the Ag / Ag1 + and Al / Al3 + half-cell reactions.

answers

A)0.86 V

B)2.46 V

C)-1.86 V

D)-0.86 V

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